#include <stdio.h>
int main()
{
    int A=sizeof(int);
    int B=sizeof(float);
    int C=sizeof(double);
    int D=sizeof(char);
    printf("int=%d\n",A);
    printf("float=%d\n",B);
    printf("double=%d\n",C);
    printf("char=%d\n",D);
    return 0;
}
    
